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Physics- Q4 pre-test

Total questions: 74

Worksheet time: 2hrs 6mins

Name
Class
Date
1.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
2.
A pathway for electricity to travel is called___________
a)
current
b)
static electrcity
c)
circuit
d)
circle
3.
What is a switch's function in a circuit?
a)
to make the current hotter or colder
b)
turn on and off the flow of current
c)
the pathway that current flows
d)
to add more power to the circuit
4.
In a parallel circuit if one light bulb goes OUT; then they ALL go out. TRUE OR FALSE?
a)
TRUE
b)
FALSE
5.
When there is only one path for electrons to move through it is called a _____. When one light goes out, they all go out. 
a)
closed circuit
b)
parallel circuit
c)
series circuit
d)
open circuit
6.
This is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
7.
What is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
8.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
9.
A conductor is?
a)
material that current can pass through easily
b)
material that current cannot pass through easily
c)
magnet
d)
electric current
10.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
11.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
12.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
13.
Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
14.
Metals such as copper, iron, gold, and silver are ...
a)
conductors
b)
brittle
c)
insulators
d)
resistors
15.
Compared to thin wires, electrical resistance in thick wires is:
a)
greater
b)
less
c)
the same
16.
Identify the following as characteristics of either a series circuit or a parallel circuit:
Consists of units wired in separate branches.
a)
Series circuit
b)
Parallel circuit
17.
Identify the following as characteristics of either a series circuit or a parallel circuit:

When one light bulb burns out, they all go out.
a)
Series circuit
b)
Parallel circuit
18.
Find the odd-one out:
 
Copper
Aluminium
Iron
Wood
a)
Copper
b)
Aluminium
c)
Iron
d)
Wood
19.
Find the odd-one out:
 
Plastic
Rubber
Glass
Silver
a)
Plastic
b)
Rubber
c)
Glass
d)
Silver
20.
A device for opening or closing the flow in a circuit is _______.
a)
an insulator
b)
a battery charger
c)
a switch
21.
What types of charges attract?
a)
Positive and Positive
b)
Positive and Neutral
c)
Negative and Neutral
d)
Positive and Negative
22.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
23.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
24.
A continuous flow of electricity is called_____________
a)
series
b)
circuit
c)
static
d)
current
25.
What component is this?
a)
Bulb
b)
LED
c)
Battery
d)
diode
26.
Which of these materials is a good insulator?
a)
Plastic and metal
b)
Metal and rubber
c)
Plastic and rubber
27.
What is a material that resists, or does NOT allow, energy to flow through?
a)
circuit
b)
insulator
c)
series
d)
conductor
28.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
29.
The flow of electricity in a circuit-
a)
current
b)
flow
c)
circuit
30.
Magnetism created by an electric current
a)
electricity
b)
electromagnetism
c)
wind energy
31.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
32.
____________ stops the flow of electricity.
a)
A conductor
b)
An insulator
c)
A magnet
33.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
34.
When the switch is closed, the light
a)
comes on
b)
stays off
c)
burns out
35.
The plastic around the wire is
a)
conductor
b)
insulator
c)
decoration
36.
Two batteries in a circuit make the lights in the circuit brighter than one battery.
a)
true
b)
false
37.
If the lights are on, the circuit is
a)
closed
b)
open
38.
If the lights are off, the circuit is
a)
closed
b)
open
39.
In a parallel circuit the current
a)
makes one circle
b)
stays in one path
c)
splits and goes through two components
40.
Two types of circuits are
a)
parallel and magnetic
b)
electromagnetic and series
c)
series and parallel
41.
The flow of electricity requires a
a)
complete path
b)
incomplete path
c)
insulated current
42.
What is a benefit of using a parallel circuit?  
a)
It gets confusing.
b)
There are no problems.
c)
If one light goes out, it does not affect the others. 
d)
If one light goes out, they all go out. 
43.
What is one problem with using a series circuit? 
a)
It has a lot of series. 
b)
If one light goes down, they all go down! 
c)
It doesn't work properly.
d)
There are no problems. 
44.
What causes lightning?
a)
A similarity in electrical charge.
b)
Electrons flowing through a conductor.
c)
A difference in electrical charge.
d)
Raindrops conducting electricity from the clouds to the ground. 
45.
A flow of electrons through a conductor is called:
a)
A river
b)
A spark
c)
An electron flow
d)
A current
46.
In most electrical circuits, the pathway is made of:
a)
Wood
b)
Plastic
c)
Metal
d)
Static
47.
What are the three components of a circuit?
a)
Pathway, Source, and Battery.
b)
Energy source, Conductor, and Receiver.
c)
Battery, Bulb, and Plastic.
d)
Wire, Electron, and Charge.
48.
What are the two poles of a magnet called?
a)
North and South
b)
East and West
c)
Up and Down
d)
Red and Blue
49.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
50.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
51.
What kind of circuit is this?
a)
series
b)
parallel
52.
Which statement is true?
a)
The light bulb will light up because the  circuit is complete.
b)
The light bulb will light up because the  circuit is broken.
c)
The light bulb will not light up because the  circuit is complete.
d)
The light bulb will not light up because the  circuit is broken.
53.
In a parallel circuit if one of the light bulbs burns out the rest _________.
a)
stop the flow of electricity
b)
 can still light up
c)
 will go out
d)
of the light bulbs burn out also
54.
Which best describes a parallel circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from one source. 
c)
Electricity flows along more than one pathway. 
d)
The flow of electricity comes from more than one source. 
55.
In the following diagram, the lightbulb is:
a)
Pathway
b)
Energy source
c)
The conductor
d)
The energy reciever
56.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
57.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
58.
Two types of circuits are
a)
parallel and magnetic
b)
electromagnetic and series
c)
series and parallel
59.
Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
60.
A ________________ circuit has more than one path for energy to follow.
a)
series
b)
parallel
61.
A ______________ circuit has only one path for electric energy to follow.
a)
parallel
b)
series
62.

Which of the following correctly describes one way in which static electricity is different from the current electricity that is used in homes?

a)

Static electricity is a quick release of energy.

b)

Static electricity requires magnets and coils of wire.

c)

Static electricity flows at a constant rate.

d)

Static electricity always goes in the same direction.

63.

Which of the following is an example of a source of human-harnessed (current) electricity?

a)

Lightning striking a building

b)

Getting a shock from a doorknob

c)

A hydroelectric dam

d)

Socks from the dryer sticking together

64.

Why is current electricity a better source for use in our homes than static electricity?

a)

Electricity is used where people live.

b)

Materials must be used to create electricity.

c)

A steady flow of electric current is needed in our homes.

d)

Different amounts of electricity are used at different times

65.

One way to know that lightning is an example of static electricity is because lightning __________.

a)

is created by thunder

b)

requires a metal surface

c)

is a quick release of energy

d)

moves toward magnets

66.

Students construct a simple circuit and place an item in the path. All of the following materials will conduct electricity EXCEPT __________.

a)

steel

b)

rubber

c)

copper

d)

aluminum

67.

The students noticed that the buzzer was not making any sounds. What could be done to this circuit to make the buzzer work?

a)

Add another battery to the circuit.

b)

Replace the buzzer with a smaller one.

c)

Close the switch to complete the circuit.

d)

Switch the wires to get a better connection.

68.

The diagram shows an electrical circuit.

What object could be placed in the open space between the wires to complete the circuit?

a)

Penny

b)

Toothpick

c)

Eraser

d)

Crayon

69.

Electricity will flow in an electric circuit only if the circuit __________.

a)

has several batteries

b)

makes a complete path

c)

produces light energy

d)

has the right kind of insulators

70.

Electricity will flow in an electric circuit only if the circuit __________.

a)

has several batteries

b)

makes a complete path

c)

produces light energy

d)

has the right kind of insulators

71.

The diagram below shows a light bulb connected to a battery by a wire.

What will happen to the light bulb?

a)

It will light up using energy from the battery.

b)

It will not light up because a complete loop of wires is needed.

c)

It will not light up because the battery is not charged.

d)

It will light up because the wire is electrically charged.

72.

Jordan rubs her socks along the wool carpet as she walks across her house. She grabs onto a metal door knob. What will most likely happen as she touches the door knob?

a)

The charge will disappear.

b)

The chair will repel her.

c)

She will get a light shock.

d)

She will build up more charge.

73.

When is it easiest for a person to build up static electricity?

a)

After a rainstorm when they air is warm and humid

b)

During the winter when the air is dry

c)

After a lightning strike when the air is full of electricity

d)

During the spring when the ground is wet

74.

Which of the following is true about electrical circuits?

a)

Electricity can only flow if the circuit is a closed loop.

b)

They have to involve a wire made of insulating material.

c)

Every circuit needs to have a switch that can stop and start the flow of electricity.

d)

An open circuit works as long as they wire connects a bulb to the positive end of a battery.

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